Results 51 to 60 of about 3,111,671 (229)

Passively mode-locked diode-pumped surface-emitting semiconductor laser

, 2000
A surface-emitting semiconductor laser has been passively mode locked in an external cavity incorporating a semiconductor saturable absorber mirror. The gain medium consists of a stack of 12 InGaAs-GaAs strained quantum wells, grown above a Bragg mirror ...
Tropper, A.C., Morier-Genoud, F., F. Morier-Genoud, J. S. Roberts, Roberts, J.S., Garnache, A., A. C. Tropper, Keller, U., Paschotta, R., A. Garnache, Oesterle, U., S. Dhanjal, U. Oesterle, Dhanjal, S., Häring, R., R. Häring, R. Paschotta, S. Hoogland, U. Keller, Hoogland, S.   +19 more
core   +1 more source

Yb-doped femtosecond lasers and their frequency doubling [PDF]

, 2009
Ultralow threshold, compact and highly efficient femtosecond lasers based on Yb³⁺-doped potassium yttrium tungstate (Yb:KYW) and Yb³⁺-doped vanadium yttrium oxide (Yb:YVO 4 ) have been demonstrated within this PhD-research project.
Sarmani, Abdul Rahman
core   +2 more sources

Formation and Evolution of Soliton in Two-Mode Fiber Laser

IEEE Photonics Journal, 2020
High-order mode fiber lasers are gathering the rising attentions from fundamental researches to practical applications due to their distinctive spatial and temporal properties.
Yang Zheng, Dong Mao, Zhiwen He, Hua Lu, Wending Zhang, Jianlin Zhao   +5 more
doaj   +1 more source

Generation of 48 fs, 1 GHz Fundamentally Mode-Locked Pulses Directly from an Yb-doped “Solid-State Fiber Laser”

Photonics, 2023
We demonstrate a fundamentally mode-locked Yb-doped “solid-state fiber laser” with a repetition rate of 1 GHz and a pulse duration of 48 fs. The nonlinear-polarization-evolution (NPE) mode-locking of the “solid-state fiber laser” enables up to 286 mW of ...
Mengyun Hu, Jiawei Shen, Yuzhi Cao, Shuai Yuan, Heping Zeng   +4 more
doaj   +1 more source

From Rigid to Soft Robotic Approaches for Neuroendoscopy

Advanced Robotics Research, EarlyView.
Robotic assistance has had minimal impact on deep intraventricular surgeries, where small‐scale, precision, and reduced invasiveness can contribute to improved patient outcomes. Emerging technologies in rigid, soft, and hybrid robotics are reviewed to identify the most promising mechanisms for deep brain navigation in addition to an attempt to identify
Kieran Gilday, Irena Zubak, Andreas Raabe, Josie Hughes   +3 more
wiley   +1 more source

Spectrally tunable phase-biased NALM mode-locked Yb:fiber laser with nJ-level pulse energy

JPhys Photonics
Applications of mode-locked fiber lasers benefit from robust and self-starting mode-locking, spectral tuning, high pulse energy and high average power.
Saeid Ebrahimzadeh, Sakib Adnan, Yishen Li, Vito F Pecile, Jakob Fellinger, Sarper Salman, Christoph M Heyl, Ingmar Hartl, Oliver H Heckl, Gil Porat   +9 more
doaj   +1 more source

Graphene-enabled sub-picosecond solitons in mode-locked mid-infrared fluoride fiber lasers [PDF]

EPJ Web of Conferences
We report on sub-picosecond pulses generation from mode-locked erbium-doped-fiber lasers operating at 2.8 µm and 3.5 µm using graphene-based saturable absorbers. The lasers produce stable 600 fs pulses at 2.8 µm and 700 fs at 3.5 µm.
Hatim Saad, Eremeev Kirill, Bae JiEun, Loiko Pavel, Idlahcen Saïd, Hanzard Pierre-Henry, Godin Thomas, Berthelot Thibaud, Cozic Solenn, Poulain Samuel, Camy Patrice, Hideur Ammar   +11 more
doaj   +1 more source

L-band Wavelength-Switchable Dissipative Soliton Resonance Er-doped Fiber Laser

IEEE Photonics Journal, 2020
The experiment reports a kind of L-band dissipative soliton resonance (DSR) nanosecond Er-doped fiber laser. The passive mode-locked L-band DSR pulse is achieved in a figure-eight structure by using the nonlinear-amplifying-loop-mirror (NALM).
Shuailin Liu, Zhiyuan Dou, Bin Zhang, Jing Hou, Linyong Yang, Tianyi Wu   +5 more
doaj   +1 more source

Multiple Bound State Soliton Pulses in the All Polarization Maintaining Fiber Laser

Micromachines, 2023
The bound state soliton pulse, a novel mode-locked output state of fiber lasers, has been studied extensively to gain a better understanding of soliton interactions and to explain the mechanism behind the generation of mode-locked pulses.
Dalin Sun, Qi Zhao, Shaowen Chu, Chunyu Cao, Jihong Pei, Xintong Xu, Shuangchen Ruan   +6 more
doaj   +1 more source

Strong‐Magnetic Flexible Composites for Magnetically Responsive Soft Robots

Advanced Robotics Research, EarlyView.
This perspective provides an overview of the performance mechanisms, preparation methods, and applications of strong magnetic flexible composite materials in soft actuators (such as gripping, movement, and sensing), and further explores current opportunities and challenges.
Wenwen Li, Shuai Liu, Xinyi Wang, Xinglong Gong, Shouhu Xuan   +4 more
wiley   +1 more source